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Posted to dev@pdfbox.apache.org by GitBox <gi...@apache.org> on 2021/06/21 10:14:37 UTC

[GitHub] [pdfbox] gunnar-ifp commented on pull request #121: optimize applyMask in PdImageXObject

gunnar-ifp commented on pull request #121:
URL: https://github.com/apache/pdfbox/pull/121#issuecomment-864913411


   > Do you have a PDF where this large scaling happened? I found only one in my entire collection where the "largeScale switch is arbitrarily chosen" segment is hit, which is the second page of PDFBOX-2103, but this was a small image.
   
   Yes, you can download the PDF from here: https://archive.org/details/AlfaWaffenkatalog1911
   It's around 46 MB. It has been processed with Abby Finereader that probably did the optimization. It's a nice and clever one, getting the 400 pages into 46 MB but it's very hard for most PDF libraries to work with this file.
   


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